{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "DNA", "protein", "RNA", "cell type"], "input": "This factor consists of two DNA-binding subunits of relative molecular mass 50,000 (50K) associated with two 65K subunits ."}
{"cell line": [], "DNA": [], "protein": ["DNA-binding subunits", "65K subunits"], "RNA": [], "cell type": []}